feat(ui): add React Query hooks for data fetching

- Add useFeatures, useFeature, useAgentOutput for feature data
- Add useGitHubIssues, useGitHubPRs, useGitHubValidations, useGitHubIssueComments
- Add useClaudeUsage, useCodexUsage with polling intervals
- Add useRunningAgents, useRunningAgentsCount
- Add useWorktrees, useWorktreeInfo, useWorktreeStatus, useWorktreeDiffs
- Add useGlobalSettings, useProjectSettings, useCredentials
- Add useAvailableModels, useCodexModels, useOpencodeModels
- Add useSessions, useSessionHistory, useSessionQueue
- Add useIdeationPrompts, useIdeas
- Add CLI status queries (claude, cursor, codex, opencode, github)
- Add useCursorPermissionsQuery, useWorkspaceDirectories
- Add usePipelineConfig, useSpecFile, useSpecRegenerationStatus

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

apps/ui/src/hooks/queries/index.ts

@@ -0,0 +1,91 @@
+/**
+ * Query Hooks Barrel Export
+ *
+ * Central export point for all React Query hooks.
+ * Import from this file for cleaner imports across the app.
+ *
+ * @example
+ * ```tsx
+ * import { useFeatures, useGitHubIssues, useClaudeUsage } from '@/hooks/queries';
+ * ```
+ */
+
+// Features
+export { useFeatures, useFeature, useAgentOutput } from './use-features';
+
+// GitHub
+export {
+  useGitHubIssues,
+  useGitHubPRs,
+  useGitHubValidations,
+  useGitHubRemote,
+  useGitHubIssueComments,
+} from './use-github';
+
+// Usage
+export { useClaudeUsage, useCodexUsage } from './use-usage';
+
+// Running Agents
+export { useRunningAgents, useRunningAgentsCount } from './use-running-agents';
+
+// Worktrees
+export {
+  useWorktrees,
+  useWorktreeInfo,
+  useWorktreeStatus,
+  useWorktreeDiffs,
+  useWorktreeBranches,
+  useWorktreeInitScript,
+  useAvailableEditors,
+} from './use-worktrees';
+
+// Settings
+export {
+  useGlobalSettings,
+  useProjectSettings,
+  useSettingsStatus,
+  useCredentials,
+  useDiscoveredAgents,
+} from './use-settings';
+
+// Models
+export {
+  useAvailableModels,
+  useCodexModels,
+  useOpencodeModels,
+  useOpencodeProviders,
+  useModelProviders,
+} from './use-models';
+
+// CLI Status
+export {
+  useClaudeCliStatus,
+  useCursorCliStatus,
+  useCodexCliStatus,
+  useOpencodeCliStatus,
+  useGitHubCliStatus,
+  useApiKeysStatus,
+  usePlatformInfo,
+} from './use-cli-status';
+
+// Ideation
+export { useIdeationPrompts, useIdeas, useIdea } from './use-ideation';
+
+// Sessions
+export { useSessions, useSessionHistory, useSessionQueue } from './use-sessions';
+
+// Git
+export { useGitDiffs } from './use-git';
+
+// Pipeline
+export { usePipelineConfig } from './use-pipeline';
+
+// Spec
+export { useSpecFile, useSpecRegenerationStatus } from './use-spec';
+
+// Cursor Permissions
+export { useCursorPermissionsQuery } from './use-cursor-permissions';
+export type { CursorPermissionsData } from './use-cursor-permissions';
+
+// Workspace
+export { useWorkspaceDirectories } from './use-workspace';